<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>数组</title>
</head>
<body>
    <script>
        var array1 = [12,113, 145, 'niaho']
        console.log(array1)


        var array2 = new Array(13,14,19,'mssql')
        for(i in array2){
            console.log(array2[i])
        }
    </script>
</body>
</html>